Dave Chiluk <chiluk@xxxxxxxxxxxxx> writes:
> 1d2ef5901483004d74947bbf78d5146c24038fe7 caused a regression in ncpfs such that
> directories could no longer be removed. This was because ncp_rmdir checked
> to see if a dentry could be unhashed before allowing it to be removed. Since
> 1d2ef5901483004d74947bbf78d5146c24038fe7 introduced a change that incremented
> dentry->d_count causing it to always be greater than 1 unhash would always
> fail. Thus causing the error path in ncp_rmdir to always be taken. Removing
> this error path is safe as unhashing is still accomplished by calls to dput
> from vfs_rmdir.
Stable kernels starting with 3.0 also contain the offending commit, so
I believe this patch should be applied to stable kernels as well.
Upstream commit is 698b8223631472bf982ed570b0812faa61955683.
Cheers,
--
Luis
> ---
> fs/ncpfs/dir.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
> index 8163260..6792ce1 100644
> --- a/fs/ncpfs/dir.c
> +++ b/fs/ncpfs/dir.c
> @@ -1029,15 +1029,6 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
> DPRINTK("ncp_rmdir: removing %s/%s\n",
> dentry->d_parent->d_name.name, dentry->d_name.name);
>
> - /*
> - * fail with EBUSY if there are still references to this
> - * directory.
> - */
> - dentry_unhash(dentry);
> - error = -EBUSY;
> - if (!d_unhashed(dentry))
> - goto out;
> -
> len = sizeof(__name);
> error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
> dentry->d_name.len, !ncp_preserve_case(dir));
--
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